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प्रश्न
Name a metal which does not react with cold as well as hot water but reacts with steam.
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उत्तर
Aluminium does not react with cold or hot water but it reacts with steam.
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संबंधित प्रश्न
What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
Show the formation of Na2O by the transfer of electrons.
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Name two metals which form amphoteric oxides.
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How would you show that silver is chemically less reactive than copper?
Complete and balance the following equation:
Na2O + H2O →
Fill in the following blank with suitable word:
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Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
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Name the products formed. Also indicate the physical states of all the substances involved.
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(a) K
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(c) P
(d) Kr
Out of aluminium, copper, calcium and tin, the most reactive metal is:
(a) aluminium
(b) copper
(c) tin
(d) calcium
An element E forms an oxide E2O. An aqueous solution of E2O turns red litmus paper blue.
(a) What is the nature of the oxide E2O?
(b) State whether element E is a metal or a non-metal.
(c) Give one example of an element like E.
What is the characteristic of the electronic configuration of noble gases?
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| Properties | W | X | Y | Z |
| Malleable | Yes | No | No | Yes |
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| Electrical conductivity | Yes | Yes | Yes | No |
| Melting Point | High | Low | Low | High |
Which of the above elements were dicarded for usage by the company?
Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?
